MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 76172e368def55cfa8be830b8ed587cd59779f899ccc577c24f953b13cf6d591. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Threat unknown


Vendor detections: 6


Intelligence 6 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 76172e368def55cfa8be830b8ed587cd59779f899ccc577c24f953b13cf6d591
SHA3-384 hash: 0d3e3149efc9a1804e80f28826d702eb9ce62d67bb6e48b115ef4bb151bfa5e5f4b7eb642e6cabba16bcdbc42a3a72a2
SHA1 hash: 52c6e0320ebcb6be0bd6f5e2333df105b53d772f
MD5 hash: c076d11894697b795301e1f0994ee165
humanhash: maine-mobile-fifteen-pluto
File name:Webex.exe
Download: download sample
File size:71'506'080 bytes
First seen:2026-01-22 15:59:01 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b34f154ec913d2d2c435cbd644e91687 (587 x GuLoader, 130 x RemcosRAT, 84 x EpsilonStealer)
ssdeep 1572864:tejOYfCLmXXQu6muOq8bjJTzaekIgB67XlVy5laCvfXc:t4JQcuc5f/f7V4vnXc
TLSH T190F733D1A2FCCCB6E1F1B4347B50DBF5EB2DDA49145E241A0CE85BDE1097C9C26282A7
TrID 37.3% (.EXE) Win64 Executable (generic) (10522/11/4)
17.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
15.9% (.EXE) Win32 Executable (generic) (4504/4/1)
7.3% (.ICL) Windows Icons Library (generic) (2059/9)
7.2% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
dhash icon c78393833f3f3f9e
Reporter smica83
Tags:exe signed

Code Signing Certificate

Organisation:LAKESIDE TRANSMISSION INC.
Issuer:Microsoft ID Verified CS EOC CA 01
Algorithm:sha384WithRSAEncryption
Valid from:2026-01-20T02:22:24Z
Valid to:2026-01-23T02:22:24Z
Serial number: 3300069089c04468a191b5eeb0000000069089
Cert Graveyard Blocklist:This certificate is on the Cert Graveyard blocklist
Thumbprint Algorithm:SHA256
Thumbprint: 77cea92efe3773055ea5ccdca9396702ef0f71adbd94905c46c58d1800b2018c
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
104
Origin country :
HU HU
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/80895cf4-fd1c-4476-b97b-069fb5be4589/
Malware family:
n/a
ID:
1
File name:
Webex.exe
Verdict:
Malicious activity
Analysis date:
2026-01-22 16:02:35 UTC
Tags:
arch-exec arch-doc python pastebin stealer nodejs auto-reg
Link:
https://app.any.run/tasks/6bd5bbbf-0a70-4925-893b-5675d55ca68b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Clean
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69724970f3cf908ba5075e26
Tags:
n/a
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug blackhole crypto installer installer installer-heuristic microsoft_visual_cc nsis short-lived-cert signed soft-404
Link:
https://www.filescan.io/uploads/69724962607e8377fadea718/reports/dc2ab453-71c0-4b12-b3c8-48cf82868b59/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/76172e368def55cfa8be830b8ed587cd59779f899ccc577c24f953b13cf6d591
Verdict:
Clean
File Type:
exe x32
First seen:
2026-01-22T13:24:00Z UTC
Last seen:
2026-01-22T14:46:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/76172e368def55cfa8be830b8ed587cd59779f899ccc577c24f953b13cf6d591/results?tab=lookup
Result
Threat name:
n/a
Detection:
suspicious
Classification:
n/a
Score:
28 / 100
Link:
https://www.joesandbox.com/analysis/1855859
Signature
Drops large PE files
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 process2 2 Behavior Graph ID: 1855859 Sample: Webex.exe Startdate: 22/01/2026 Architecture: WINDOWS Score: 28 6 Webex.exe 179 2->6         started        file3 21 C:\Users\user\AppData\Local\...\nsis7z.dll, PE32 6->21 dropped 23 C:\Users\user\AppData\Local\...\System.dll, PE32 6->23 dropped 25 C:\Users\user\AppData\Local\...\vulkan-1.dll, PE32+ 6->25 dropped 27 14 other files (none is malicious) 6->27 dropped 35 Drops large PE files 6->35 10 Webex.exe 45 6->10         started        signatures4 process5 process6 12 Webex.exe 21 10->12         started        15 Webex.exe 1 10->15         started        17 Webex.exe 1 10->17         started        19 explorer.exe 23 1 10->19 injected dnsIp7 29 cdnjs.cloudflare.com 104.17.24.14, 443, 49697 CLOUDFLARENETUS United States 12->29 31 chrome.cloudflare-dns.com 162.159.61.3, 443, 49698 CLOUDFLARENETUS United States 12->31 33 172.64.41.3, 443, 49699 CLOUDFLARENETUS United States 12->33
Score:
21%
Verdict:
Benign
File Type:
PE
Link:
https://malprob.io/report/76172e368def55cfa8be830b8ed587cd59779f899ccc577c24f953b13cf6d591
Gathering data
Verdict:
Malicious
Threat:
Family.LUMMA
Link:
https://tip.neiki.dev/file/76172e368def55cfa8be830b8ed587cd59779f899ccc577c24f953b13cf6d591
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=oyls4nun55k47kf6qmfy5vmhzvmxph4jttgfo7be7fj3cphw2wiq._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Link:
https://tria.ge/reports/260122-tfa9baew6g/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Windows directory
Executes dropped EXE
Loads dropped DLL
Checks computer location settings
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:Detect_NSIS_Nullsoft_Installer
Create hunting rule
Author:Obscurity Labs LLC
Description:Detects NSIS installers by .ndata section + NSIS header string
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Comments